1 /* $NetBSD: nouveau_nvkm_core_enum.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $ */
2
3 /*
4 * Copyright (C) 2010 Nouveau Project
5 *
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial
18 * portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 */
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_core_enum.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $");
31
32 #include <core/enum.h>
33
34 const struct nvkm_enum *
nvkm_enum_find(const struct nvkm_enum * en,u32 value)35 nvkm_enum_find(const struct nvkm_enum *en, u32 value)
36 {
37 while (en->name) {
38 if (en->value == value)
39 return en;
40 en++;
41 }
42
43 return NULL;
44 }
45
46 void
nvkm_snprintbf(char * data,int size,const struct nvkm_bitfield * bf,u32 value)47 nvkm_snprintbf(char *data, int size, const struct nvkm_bitfield *bf, u32 value)
48 {
49 bool space = false;
50 while (size >= 1 && bf->name) {
51 if (value & bf->mask) {
52 int this = snprintf(data, size, "%s%s",
53 space ? " " : "", bf->name);
54 size -= this;
55 data += this;
56 space = true;
57 }
58 bf++;
59 }
60 data[0] = '\0';
61 }
62